package com.jimi.mapper;


import com.jimi.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CategoryMapper {
    /**
     * 添加分类
     * @param category  分类
     */
    @Insert("insert into category(category_name, category_alias, create_user, create_time, update_time) " +
            "VALUES (#{categoryName}, #{categoryAlias}, #{createUser}, now(), now())")
    void add(Category category);


    /**
     * 获取所有分类
     * @param userId  用户id
     * @return  所有分类
     */
    @Select("select * from category where create_user = #{userId}")
    List<Category> list(Integer userId);

    /**
     * 根据id查询分类
     * @param id  分类id
     * @return  分类
     */
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);

    /**
     * 修改分类
     * @param category  分类
     */
    @Update("update category set category_name=#{categoryName}, category_alias=#{categoryAlias}, update_time=now() " +
            "where id = #{id}")
    void update(Category category);

    /**
     * 删除分类
     * @param id  分类id
     */
    @Delete("delete from category where id = #{id}")
    void delete(Integer id);
}
